Lines Matching refs:ov7251
62 struct ov7251 {
97 static inline struct ov7251 *to_ov7251(struct v4l2_subdev *sd)
99 return container_of(sd, struct ov7251, sd);
570 static int ov7251_regulators_enable(struct ov7251 *ov7251)
578 ret = regulator_enable(ov7251->io_regulator);
580 dev_err(ov7251->dev, "set io voltage failed\n");
584 ret = regulator_enable(ov7251->analog_regulator);
586 dev_err(ov7251->dev, "set analog voltage failed\n");
590 ret = regulator_enable(ov7251->core_regulator);
592 dev_err(ov7251->dev, "set core voltage failed\n");
599 regulator_disable(ov7251->analog_regulator);
602 regulator_disable(ov7251->io_regulator);
607 static void ov7251_regulators_disable(struct ov7251 *ov7251)
611 ret = regulator_disable(ov7251->core_regulator);
613 dev_err(ov7251->dev, "core regulator disable failed\n");
615 ret = regulator_disable(ov7251->analog_regulator);
617 dev_err(ov7251->dev, "analog regulator disable failed\n");
619 ret = regulator_disable(ov7251->io_regulator);
621 dev_err(ov7251->dev, "io regulator disable failed\n");
624 static int ov7251_write_reg(struct ov7251 *ov7251, u16 reg, u8 val)
633 ret = i2c_master_send(ov7251->i2c_client, regbuf, 3);
635 dev_err(ov7251->dev, "%s: write reg error %d: reg=%x, val=%x\n",
643 static int ov7251_write_seq_regs(struct ov7251 *ov7251, u16 reg, u8 *val,
658 ret = i2c_master_send(ov7251->i2c_client, regbuf, nregbuf);
660 dev_err(ov7251->dev,
669 static int ov7251_read_reg(struct ov7251 *ov7251, u16 reg, u8 *val)
677 ret = i2c_master_send(ov7251->i2c_client, regbuf, 2);
679 dev_err(ov7251->dev, "%s: write reg error %d: reg=%x\n",
684 ret = i2c_master_recv(ov7251->i2c_client, val, 1);
686 dev_err(ov7251->dev, "%s: read reg error %d: reg=%x\n",
694 static int ov7251_set_exposure(struct ov7251 *ov7251, s32 exposure)
704 return ov7251_write_seq_regs(ov7251, reg, val, 3);
707 static int ov7251_set_gain(struct ov7251 *ov7251, s32 gain)
716 return ov7251_write_seq_regs(ov7251, reg, val, 2);
719 static int ov7251_set_register_array(struct ov7251 *ov7251,
727 ret = ov7251_write_reg(ov7251, settings->reg, settings->val);
735 static int ov7251_set_power_on(struct ov7251 *ov7251)
740 ret = ov7251_regulators_enable(ov7251);
744 ret = clk_prepare_enable(ov7251->xclk);
746 dev_err(ov7251->dev, "clk prepare enable failed\n");
747 ov7251_regulators_disable(ov7251);
751 gpiod_set_value_cansleep(ov7251->enable_gpio, 1);
755 DIV_ROUND_UP(ov7251->xclk_freq, 1000));
761 static void ov7251_set_power_off(struct ov7251 *ov7251)
763 clk_disable_unprepare(ov7251->xclk);
764 gpiod_set_value_cansleep(ov7251->enable_gpio, 0);
765 ov7251_regulators_disable(ov7251);
770 struct ov7251 *ov7251 = to_ov7251(sd);
773 mutex_lock(&ov7251->lock);
776 if (ov7251->power_on == !!on)
780 ret = ov7251_set_power_on(ov7251);
784 ret = ov7251_set_register_array(ov7251,
788 dev_err(ov7251->dev, "could not set init registers\n");
789 ov7251_set_power_off(ov7251);
793 ov7251->power_on = true;
795 ov7251_set_power_off(ov7251);
796 ov7251->power_on = false;
800 mutex_unlock(&ov7251->lock);
805 static int ov7251_set_hflip(struct ov7251 *ov7251, s32 value)
807 u8 val = ov7251->timing_format2;
815 ret = ov7251_write_reg(ov7251, OV7251_TIMING_FORMAT2, val);
817 ov7251->timing_format2 = val;
822 static int ov7251_set_vflip(struct ov7251 *ov7251, s32 value)
824 u8 val = ov7251->timing_format1;
832 ret = ov7251_write_reg(ov7251, OV7251_TIMING_FORMAT1, val);
834 ov7251->timing_format1 = val;
839 static int ov7251_set_test_pattern(struct ov7251 *ov7251, s32 value)
841 u8 val = ov7251->pre_isp_00;
849 ret = ov7251_write_reg(ov7251, OV7251_PRE_ISP_00, val);
851 ov7251->pre_isp_00 = val;
863 struct ov7251 *ov7251 = container_of(ctrl->handler,
864 struct ov7251, ctrls);
869 if (!ov7251->power_on)
874 ret = ov7251_set_exposure(ov7251, ctrl->val);
877 ret = ov7251_set_gain(ov7251, ctrl->val);
880 ret = ov7251_set_test_pattern(ov7251, ctrl->val);
883 ret = ov7251_set_hflip(ov7251, ctrl->val);
886 ret = ov7251_set_vflip(ov7251, ctrl->val);
952 __ov7251_get_pad_format(struct ov7251 *ov7251,
959 return v4l2_subdev_get_try_format(&ov7251->sd, cfg, pad);
961 return &ov7251->fmt;
971 struct ov7251 *ov7251 = to_ov7251(sd);
973 mutex_lock(&ov7251->lock);
974 format->format = *__ov7251_get_pad_format(ov7251, cfg, format->pad,
976 mutex_unlock(&ov7251->lock);
982 __ov7251_get_pad_crop(struct ov7251 *ov7251, struct v4l2_subdev_pad_config *cfg,
987 return v4l2_subdev_get_try_crop(&ov7251->sd, cfg, pad);
989 return &ov7251->crop;
1001 ov7251_find_mode_by_ival(struct ov7251 *ov7251, struct v4l2_fract *timeperframe)
1003 const struct ov7251_mode_info *mode = ov7251->current_mode;
1033 struct ov7251 *ov7251 = to_ov7251(sd);
1039 mutex_lock(&ov7251->lock);
1041 __crop = __ov7251_get_pad_crop(ov7251, cfg, format->pad, format->which);
1052 ret = __v4l2_ctrl_s_ctrl_int64(ov7251->pixel_clock,
1057 ret = __v4l2_ctrl_s_ctrl(ov7251->link_freq,
1062 ret = __v4l2_ctrl_modify_range(ov7251->exposure,
1068 ret = __v4l2_ctrl_s_ctrl(ov7251->exposure,
1073 ret = __v4l2_ctrl_s_ctrl(ov7251->gain, 16);
1077 ov7251->current_mode = new_mode;
1080 __format = __ov7251_get_pad_format(ov7251, cfg, format->pad,
1095 mutex_unlock(&ov7251->lock);
1121 struct ov7251 *ov7251 = to_ov7251(sd);
1126 mutex_lock(&ov7251->lock);
1127 sel->r = *__ov7251_get_pad_crop(ov7251, cfg, sel->pad,
1129 mutex_unlock(&ov7251->lock);
1136 struct ov7251 *ov7251 = to_ov7251(subdev);
1139 mutex_lock(&ov7251->lock);
1142 ret = ov7251_set_register_array(ov7251,
1143 ov7251->current_mode->data,
1144 ov7251->current_mode->data_size);
1146 dev_err(ov7251->dev, "could not set mode %dx%d\n",
1147 ov7251->current_mode->width,
1148 ov7251->current_mode->height);
1151 ret = __v4l2_ctrl_handler_setup(&ov7251->ctrls);
1153 dev_err(ov7251->dev, "could not sync v4l2 controls\n");
1156 ret = ov7251_write_reg(ov7251, OV7251_SC_MODE_SELECT,
1159 ret = ov7251_write_reg(ov7251, OV7251_SC_MODE_SELECT,
1164 mutex_unlock(&ov7251->lock);
1172 struct ov7251 *ov7251 = to_ov7251(subdev);
1174 mutex_lock(&ov7251->lock);
1175 fi->interval = ov7251->current_mode->timeperframe;
1176 mutex_unlock(&ov7251->lock);
1184 struct ov7251 *ov7251 = to_ov7251(subdev);
1188 mutex_lock(&ov7251->lock);
1189 new_mode = ov7251_find_mode_by_ival(ov7251, &fi->interval);
1191 if (new_mode != ov7251->current_mode) {
1192 ret = __v4l2_ctrl_s_ctrl_int64(ov7251->pixel_clock,
1197 ret = __v4l2_ctrl_s_ctrl(ov7251->link_freq,
1202 ret = __v4l2_ctrl_modify_range(ov7251->exposure,
1208 ret = __v4l2_ctrl_s_ctrl(ov7251->exposure,
1213 ret = __v4l2_ctrl_s_ctrl(ov7251->gain, 16);
1217 ov7251->current_mode = new_mode;
1220 fi->interval = ov7251->current_mode->timeperframe;
1223 mutex_unlock(&ov7251->lock);
1258 struct ov7251 *ov7251;
1262 ov7251 = devm_kzalloc(dev, sizeof(struct ov7251), GFP_KERNEL);
1263 if (!ov7251)
1266 ov7251->i2c_client = client;
1267 ov7251->dev = dev;
1275 ret = v4l2_fwnode_endpoint_parse(endpoint, &ov7251->ep);
1282 if (ov7251->ep.bus_type != V4L2_MBUS_CSI2_DPHY) {
1284 ov7251->ep.bus_type, V4L2_MBUS_CSI2_DPHY);
1289 ov7251->xclk = devm_clk_get(dev, "xclk");
1290 if (IS_ERR(ov7251->xclk)) {
1292 return PTR_ERR(ov7251->xclk);
1296 &ov7251->xclk_freq);
1303 if (ov7251->xclk_freq < 23760000 || ov7251->xclk_freq > 24240000) {
1305 ov7251->xclk_freq);
1309 ret = clk_set_rate(ov7251->xclk, ov7251->xclk_freq);
1315 ov7251->io_regulator = devm_regulator_get(dev, "vdddo");
1316 if (IS_ERR(ov7251->io_regulator)) {
1318 return PTR_ERR(ov7251->io_regulator);
1321 ov7251->core_regulator = devm_regulator_get(dev, "vddd");
1322 if (IS_ERR(ov7251->core_regulator)) {
1324 return PTR_ERR(ov7251->core_regulator);
1327 ov7251->analog_regulator = devm_regulator_get(dev, "vdda");
1328 if (IS_ERR(ov7251->analog_regulator)) {
1330 return PTR_ERR(ov7251->analog_regulator);
1333 ov7251->enable_gpio = devm_gpiod_get(dev, "enable", GPIOD_OUT_HIGH);
1334 if (IS_ERR(ov7251->enable_gpio)) {
1336 return PTR_ERR(ov7251->enable_gpio);
1339 mutex_init(&ov7251->lock);
1341 v4l2_ctrl_handler_init(&ov7251->ctrls, 7);
1342 ov7251->ctrls.lock = &ov7251->lock;
1344 v4l2_ctrl_new_std(&ov7251->ctrls, &ov7251_ctrl_ops,
1346 v4l2_ctrl_new_std(&ov7251->ctrls, &ov7251_ctrl_ops,
1348 ov7251->exposure = v4l2_ctrl_new_std(&ov7251->ctrls, &ov7251_ctrl_ops,
1350 ov7251->gain = v4l2_ctrl_new_std(&ov7251->ctrls, &ov7251_ctrl_ops,
1352 v4l2_ctrl_new_std_menu_items(&ov7251->ctrls, &ov7251_ctrl_ops,
1356 ov7251->pixel_clock = v4l2_ctrl_new_std(&ov7251->ctrls,
1360 ov7251->link_freq = v4l2_ctrl_new_int_menu(&ov7251->ctrls,
1365 if (ov7251->link_freq)
1366 ov7251->link_freq->flags |= V4L2_CTRL_FLAG_READ_ONLY;
1368 ov7251->sd.ctrl_handler = &ov7251->ctrls;
1370 if (ov7251->ctrls.error) {
1372 __func__, ov7251->ctrls.error);
1373 ret = ov7251->ctrls.error;
1377 v4l2_i2c_subdev_init(&ov7251->sd, client, &ov7251_subdev_ops);
1378 ov7251->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
1379 ov7251->pad.flags = MEDIA_PAD_FL_SOURCE;
1380 ov7251->sd.dev = &client->dev;
1381 ov7251->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR;
1383 ret = media_entity_pads_init(&ov7251->sd.entity, 1, &ov7251->pad);
1389 ret = ov7251_s_power(&ov7251->sd, true);
1395 ret = ov7251_read_reg(ov7251, OV7251_CHIP_ID_HIGH, &chip_id_high);
1401 ret = ov7251_read_reg(ov7251, OV7251_CHIP_ID_LOW, &chip_id_low);
1408 ret = ov7251_read_reg(ov7251, OV7251_SC_GP_IO_IN1, &chip_rev);
1424 ret = ov7251_read_reg(ov7251, OV7251_PRE_ISP_00,
1425 &ov7251->pre_isp_00);
1432 ret = ov7251_read_reg(ov7251, OV7251_TIMING_FORMAT1,
1433 &ov7251->timing_format1);
1440 ret = ov7251_read_reg(ov7251, OV7251_TIMING_FORMAT2,
1441 &ov7251->timing_format2);
1448 ov7251_s_power(&ov7251->sd, false);
1450 ret = v4l2_async_register_subdev(&ov7251->sd);
1456 ov7251_entity_init_cfg(&ov7251->sd, NULL);
1461 ov7251_s_power(&ov7251->sd, false);
1463 media_entity_cleanup(&ov7251->sd.entity);
1465 v4l2_ctrl_handler_free(&ov7251->ctrls);
1466 mutex_destroy(&ov7251->lock);
1474 struct ov7251 *ov7251 = to_ov7251(sd);
1476 v4l2_async_unregister_subdev(&ov7251->sd);
1477 media_entity_cleanup(&ov7251->sd.entity);
1478 v4l2_ctrl_handler_free(&ov7251->ctrls);
1479 mutex_destroy(&ov7251->lock);
1485 { .compatible = "ovti,ov7251" },
1493 .name = "ov7251",